The tensest situation remains in the areas of Donetsk and Mariupol.

Since the beginning of the day militants fired on Ukrainian military positions in the ATO area 27 times, - reported the press center of the ATO HQ on Facebook.

“Controlled by Russian authorities military gangs 27 times opened fire on ATO forces units," - said in a statement.

As noted, it the tensest situation remains in the areas of Donetsk and Mariupol. In particular, enemy attacked position of the Ukrainian military in Opytne and Avdiivka using 120-mm and 82-mm caliber mortars.

At the same time, within the so-called industrial zone divisions of the Armed Forces of Ukraine kept the defense under constant attacks.